Obviously, Thursday, Jan. 21, was a big day for Joe Biden, as he was was sworn in as the 46th president. 

However, our eyes couldn't help but wander to his ever-fashionable granddaughters (Naomi, 27, Finnegan, 22, Maisy, 20, and Natalie, 16), who all stunned in fierce monochromatic looks at the 2021 Presidential Inauguration. And of course, TikTok users quickly became obsessed with his daughter Ashley Biden's sleek tuxedo during the evening festivities.